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STREET FIRE - Telematica Electronics

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PROMO <strong>STREET</strong> <strong>FIRE</strong> EFI MARINE TOOLS ACCESSORIES SPARK PLUG WIRES TIMING/RPM CONTROLS CRANK TRIGGERS DISTRIBUTORS ALT/STARTERS COILS LATE MODEL IGNITIONS<br />

28<br />

6196208<br />

ADJUSTABLE FEATURES<br />

Two smooth, accurate rev<br />

limits are adjustable in 100<br />

rpm increments<br />

Single stage retard for top end<br />

speed or nitrous systems<br />

Adjustable magnetic pickup<br />

compensation for absolute<br />

trigger accuracy<br />

Start retard eases starting on<br />

high compression, locked-out<br />

engines<br />

PRO <strong>STREET</strong> IGNITION<br />

OPERATING SPECIFICATIONS<br />

SPARK ENERGY: 190 MILLIJOULES/SPARK<br />

PRIMARY VOLTAGE: 535 VOLTS<br />

SECONDARY VOLTAGE: 40,000 VOLTS<br />

SPARK SERIES DURATION: 20° CRANKSHAFT ROTATION<br />

RPM RANGE: 12,500 RPM WITH 14.4 VOLTS<br />

VOLTAGE REQUIRED: 12-18 VOLTS, NEGATIVE GROUND<br />

CURRENT DRAW: 1.1 AMP PER 1,000 RPM<br />

WEIGHT AND SIZE: 3.7 LBS., 8.5”L X 4.5”W X 2.2”H<br />

MSD DIGITAL-7 PLUS TM IGNITION CONTROL<br />

For racers that don’t need a lot of programming options, the Digital-7 Plus Ignition is a great<br />

choice. State-of-the-art technology allows the 7 Plus to produce more power while using less current.<br />

The CD circuits combined with an IGBT Coil driver deliver 520-535 volts to the primary side of the coil<br />

with up to 190 millijoules of energy at any rpm. Below 3,300 there is of course MSD’s powerful series<br />

of multiple sparks, rather than a single spark. This spark series burns in the cylinder for over 20° of<br />

crankshaft rotation resulting in improved combustion and increased power.<br />

The Digital-7 Plus provides racers with two smooth rev limits, one for top end over-rev protection<br />

and another to activate with a clutch or transbrake switch for use on the starting line. Both<br />

are adjustable with rotary dials in 100 rpm increments from 2,000-9,900 rpm with a maximum of<br />

12,500 rpm. For nitrous applications or for racers looking for a little more mph, there is a single<br />

stage retard circuit that is adjustable up to 9.9°. Next to the rotary dials there is an LED that will<br />

verify that the ignition is receiving a trigger signal and will also warn you if there is problem with<br />

the supply voltage.<br />

The Digital-7 Plus incorporates proficient EMI filter components to keep inputs and signals free<br />

from electrical interference. Combined with the fast microcontroller and a unique input feedback<br />

circuit, the ignition is well protected against EMI.<br />

The Digital-7 Plus can be used on 4, 6 or 8-cylinder engines and must be used with the MSD Pro<br />

Power HVC Coil, PN 8251, or Pro Power HVC-II Coil, PN 8261.<br />

MSD Digital-7 Plus Ignition Control - PN 7520*<br />

FOR MORE INFORMATION ON:<br />

Recommended Coils, see page 48<br />

Flying Magnet Crank Trigger Kits, see page 108<br />

MAG PICKUP COMPENSATION CIRCUIT<br />

All magnetic pickups have an inherent characteristic that will slightly retard the timing as<br />

rpm increases. MSD’s line of digital ignition controls have a feature that lets you select the<br />

style pickup that you are using to ensure the most accurate trigger signal possible. The Magnetic<br />

Pickup Compensation Circuit lets you program the ignition for an MSD Distributor or a<br />

Crank Trigger setup. With this, you can tailor your ignition to your trigger source for absolute<br />

trigger accuracy throughout the entire rpm range.<br />

*Not legal for use or sale on pollution controlled vehicles.<br />

WWW.MSDIGNITION.COM<br />

THE <strong>FIRE</strong> TO DRIVE<br />

TESTED WITH PRO POWER COIL, PN 8251

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